Small tips: Leather sale can be used in shoes production, it has a smooth face and makes the shoe look superior. The thickness of leather sale can be 0.5-0.7mm or 0.6-0.8mm. The leather sale is generally larger than split leather in size. It is also called full grain leather. There are vairious kinds of leather sale, cow leather sale, pig leather sale or goat leather sale. Leather sale has become a strong trend in fashion world.